WO2003075689A1 - Procede de regulation de l'humidite de matiere brute et machine a cet effet - Google Patents

Procede de regulation de l'humidite de matiere brute et machine a cet effet Download PDF

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Publication number
WO2003075689A1
WO2003075689A1 PCT/JP2003/003019 JP0303019W WO03075689A1 WO 2003075689 A1 WO2003075689 A1 WO 2003075689A1 JP 0303019 W JP0303019 W JP 0303019W WO 03075689 A1 WO03075689 A1 WO 03075689A1
Authority
WO
WIPO (PCT)
Prior art keywords
raw material
rotary cylinder
inlet
cylinder
humidity
Prior art date
Application number
PCT/JP2003/003019
Other languages
English (en)
Japanese (ja)
Inventor
Koji Sakamoto
Susumu Uchida
Katsuhide Yokota
Takashi Ogawa
Kazuo Yoshimoto
Original Assignee
Japan Tobacco Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Tobacco Inc. filed Critical Japan Tobacco Inc.
Priority to CA002478717A priority Critical patent/CA2478717C/fr
Priority to EP03712687.7A priority patent/EP1486130B1/fr
Priority to JP2003573973A priority patent/JP3925931B2/ja
Priority to AU2003220891A priority patent/AU2003220891A1/en
Publication of WO2003075689A1 publication Critical patent/WO2003075689A1/fr
Priority to US10/923,032 priority patent/US6931758B2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/028—Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/044—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis the drum or receptacle having a variable outer or inner diameter in axial direction, e.g. trunconical; the drum or receptacle having a polygonal or non-cylindrical shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06—Controlling, e.g. regulating, parameters of gas supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/22—Tobacco leaves

Definitions

  • the present invention relates to a method and an apparatus for controlling the humidity of a raw material suitable for controlling the humidity of a tobacco raw material.
  • a method for controlling the humidity of a raw material comprises transferring a raw material along a predetermined transfer path while stirring the raw material, heating the raw material to a predetermined temperature during the raw material transfer process, and setting a saturated vapor pressure.
  • Humid air having a relative humidity close to the flow path along the transfer path, and bringing the raw material into contact with the humid air stream.
  • the humid air stream has a relative humidity of 80-95%.
  • a humid air stream has a high water content, it does not cause water droplets to adhere to the surface of the raw material. Therefore, the raw material can efficiently absorb the moisture in the humid air flow from the entire surface to the inside without being wetted by the surface. As a result, the entire water content of the raw material becomes uniform in a short time, and a large amount of raw material can be promptly subjected to humidity control.
  • the raw material adsorbs moisture, heat of adsorption is generated, and this heat of adsorption uniformly heats the raw material.
  • the heating temperature of the humid air stream is preferably 40 to 80.
  • the tobacco raw material is not likely to be overheated, and the original aroma of the tobacco raw material is not thermally degraded.
  • the tobacco raw material is quickly and uniformly humidified, even if the tobacco raw material is agitated, crushing of the tobacco raw material is suppressed, and the raw material loss can be reduced.
  • the humid air flow preferably circulates in a transport path, in which case the humid air can be reused.
  • the supply device further comprises a circulation system for circulating the moist air flow through the rotary cylinder, the circulation system extending outside the rotary cylinder and having a circulation line connecting between the air supply port and the exhaust port.
  • the inlet and outlet each include a mouth tally valve, which permits one of the supply and discharge of the raw material to and from the rotating cylinder, and prevents leakage of the humid air flow from the inlet and outlet.
  • the circulation system further includes a blower, a heater, and a humidifier that are sequentially inserted from the discharge port side into the circulation pipeline, wherein the blower generates an airflow toward the rotating cylinder, and the heater generates the airflow. To a predetermined temperature, and the humidifier wets the heated airflow.
  • the circulation system can further include control means for controlling the operation of the blower, the heater and the humidifier, respectively.
  • the moist air flow is supplied from both the air inlet and the intermediate air inlet into the rotating cylinder, the wet air flow required for the humidity control of the raw material can be easily secured, A moist air stream is created in the rotating cylinder that is suitable for conditioning the raw material.
  • the intermediate air supply port is positioned on the axis of the rotary cylinder, or has an annular shape extending along the peripheral wall of the rotary cylinder.
  • the ring-shaped intermediate air supply port can be easily obtained by a divided rotary cylinder.
  • the split type rotary cylinder has an upstream cylinder portion provided with an inlet, and a downstream cylinder portion provided with an outlet and having a larger diameter than the upstream cylinder.
  • the intermediate air supply port is defined between the outer peripheral surface of the upstream cylinder portion and the inner peripheral surface of the downstream cylinder portion.
  • FIG. 1 is a diagram schematically showing an entire humidity controller of one embodiment
  • FIG. 2 is a partially cutaway view of the rotary cylinder of FIG. 1,
  • FIG. 3 is a cross-sectional view of the rotary cylinder of FIG. 2,
  • FIG. 4 is a front view showing the intermediate air supply port of FIG. 3,
  • Fig. 5 is a graph showing the measurement results of the crushing ratio of the raw materials for the raw materials conditioned by the humidity control methods A, B, and C, respectively.
  • Fig. 6 is a graph showing the measurement results of the volume density of the raw materials for the raw materials conditioned by the humidity control methods A, B, and C, respectively.
  • FIG. 7 is a view showing a rotary cylinder of a modified example.
  • FIG. 8 is an enlarged sectional view showing a part of the rotary cylinder shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • Fig. 1 shows a humidity controller applied to tobacco raw materials.
  • Tobacco raw materials include tobacco leaves, tobacco leaf bones, sheet-shaped regenerated tobacco, and one or two or more types of cut tobacco obtained by cutting each of these and tobacco processed tobacco. Contains mixtures.
  • tobacco raw materials are simply referred to as raw materials.
  • the humidifier is equipped with a conveyor 2 that supplies a constant amount of raw materials.
  • a hollow rotary cylinder 6 is arranged below the conveyor 2, and has a raw material inlet 4 at one end and an outlet 8 at the other end.
  • Conveyor 2 transports the raw material toward rotary cylinder 6 and passes through inlet 4 into rotary cylinder 6 Supply.
  • the rotary cylinder 6 is rotated in one direction. With this rotation, the raw material in the rotary cylinder 6 is transported from one end to the other end in the axial direction of the rotary cylinder 6, and the outlet 8 From the discharge conveyor 10.
  • a circulating pipe 12 for wet air extends from one end of the rotary cylinder 6, and the circulating pipe 12 is connected to the other end of the rotary cylinder 6.
  • the circulation pipe 12 and the cylinder chamber of the rotating cylinder 6 define a circulation path of the wet air.
  • a humidifier 14, a steam heater 16, an electric blower 18 equipped with an impeller and a collecting tank 20 are sequentially inserted into the circulation pipe 12 from the inlet 4 side of the rotary cylinder 6.
  • a plurality of water supply nozzles 22 and a plurality of steam nozzles 24 are arranged together with the stirring blade and the steam trap.
  • the water supply nozzle 22 is connected to a water supply source through a water supply pipe 26, and an on-off valve 28 is inserted in the water supply pipe 26.
  • an on-off valve 28 is inserted in the water supply pipe 26.
  • FIG. 1 only one water supply nozzle 22 and two steam nozzles 24 are shown.
  • Branch pipes 30 are connected to the steam nozzles 24, respectively, and these branch pipes 30 are connected to the steam pipe 32.
  • Each branch pipe 30 is provided with an electromagnetically actuated flow control valve 34.
  • the steam pipe 32 is connected to a main steam source via a pressure reducing valve 36, and a flow meter 38 is inserted in the steam pipe 32.
  • the steam heater 16 incorporates two heat exchangers 40a and 4Ob.
  • Branch pipes 42 extend from the heat exchangers 40, respectively, and are connected to the branch pipes 42 and the steam pipes 44.
  • An electromagnetically actuated flow control valve 46 is inserted into each branch pipe 42.
  • the steam pipe 44 is connected to a sub-steam source via a pressure reducing valve 48.
  • Each heat exchanger 40 is connected to a recovery path via a pipeline.
  • the circulation line 12 is provided with an inlet thermometer 50, an inlet hygrometer 52 and an inlet current meter 54 between the rotary cylinder 6 and the humidifier 14 respectively.These thermometers 50 and humidity are provided. The total temperature 52 and the flow meter 54 are the inlet temperature T! Of the humid air flowing into the rotary cylinder 6. , Inlet humidity and inlet flow velocity V are detected respectively.
  • the circulation line 12 is provided with an intermediate thermometer 56, an intermediate humidity meter 58 and an intermediate flow meter 60 between the humidifier 14 and the steam heater 16, respectively. 6, hygrometer 5 8 and a flow rate meter 6 0 detects intermediate temperature T 2 of the moist air flowing into the humidifier 1 4, intermediate moisture Eta 2 and intermediate flow speed V 2, respectively.
  • the circulation line 12 is provided with an outlet thermometer 62, an outlet hygrometer 64, and an outlet speed meter 66 between the collection tank 20 and the rotary cylinder 6, respectively.
  • six 2 hygrometer 6 4 and a speedometer 6 6 detects the outlet temperature T 3 of the moist air flow that has passed through the rotating cylinder 6, the outlet humidity Eta 3 and outlet flow rate V 3, respectively.
  • a drain pipe 68 extends from the collection tank 20, and an open / close valve 70 is inserted in the drain pipe 68.
  • the air flow passes through the steam heater 16, the air flow is heated to a predetermined temperature by the steam flowing through the heat exchanger 40. Thereafter, when the heated air stream passes through the humidifier 14, the heated air stream contacts the steam sprayed from the steam nozzle 24, and a humid air stream is generated in the humidifier 14. You.
  • This humid air flow is supplied from the humidifier 14 to the rotary cylinder 6, and as a result, the humid air flow circulates in the circulation path including the rotary cylinder 6.
  • the temperature and relative humidity of the humidified air flow supplied to the rotary cylinder 6 are in the range of 40 to 80 ° C and 80 to 95% close to the saturated vapor pressure. Is preferred.
  • the time required for the raw material to pass through the rotary cylinder 6, that is, when the residence time of the raw material is set to 3 to 5 min the wind speed of the wet air flow passing through the rotary cylinder 6 is It is selected from the range of 0.1 to 0.3 m / s according to the supply amount of the raw material.
  • thermometers 50, 56, 62, the hygrometers 52, 58, 64 and the flowmeters 54, 60, 66 described above were used. Is electrically connected to the controller 72, and the controller 72 can receive detection signals from the thermometer, the hygrometer, and the current meter. Further, the controller 72 is also electrically connected to the blower 18 and the flow control valves 34 and 46 described above. Therefore, the controller 72 can control the rotation speed of the blower 18, whereby the wind speed of the humid air flow is adjusted. Further, the controller 72 controls the opening of at least one of the flow control valves 46 based on the inlet temperature 1 of the humid air flow from the inlet thermometer 50, whereby the temperature of the humid air flow is adjusted. You.
  • the controller 42 controls the flow of the other flow control valve 46. Only the opening can be controlled based on the inlet temperature T.
  • the controller 7 2 intermediate temperature T 2 from the inlet flow rate intermediate thermometer 5 6 from the inlet humidity Eta ,, inlet velocity meter 5 4 from the inlet temperature T entrance hygrometer 5 2 from the inlet thermometer 5 0, intermediate humidity
  • the intermediate humidity ⁇ 2 from the total 58 and the intermediate speed V 2 from the intermediate speedometer 60 are received, the amount of steam sprayed from the steam nozzle 24 in the humidifier 14 is calculated based on these data. Calculate.
  • controller 72 controls the opening degree of each flow control valve 34 based on the calculated amount of steam, whereby the relative humidity of the humid air flow is adjusted.
  • the maximum opening degrees of the two flow control valves 34 are different from each other.
  • the controller 72 independently controls the opening of each flow control valve 34, and as a result, the relative humidity of the humid air flow is finely adjusted.
  • the circulation path of the humid air flow is provided with an outside air introduction device (not shown) for ventilation.
  • the rotating cylinder 6 is inclined so that the other end faces downward, and the inclination angle of the rotating cylinder 6 with respect to the horizontal plane is indicated by in FIG.
  • the rotary cylinder 6 is rotatably supported, and is rotated in one direction around its axis.
  • the inlet 4 of the rotary cylinder 6 has a hollow cone-shaped end cover 74, and the end cover 74 has a small diameter end and a large diameter end.
  • the large-diameter end of the end cover 74 is air-tightly connected to one end of the rotary cylinder 6 while allowing the rotation of the rotary cylinder 6.
  • the upstream portion of the circulation line 12 described above is inserted into the end cover 74 from the small-diameter end in a gas-tight manner, and the insertion portion 88 of the circulation line 12 is connected to one end of the rotary cylinder 6. It has an air supply port 90 opened at the center of the. Therefore, wet air is blown out from the air supply port 90 of the circulation pipe 12 toward the other end of the rotary cylinder 6.
  • the end cover 74 has a feed pipe 76, and the feed pipe 76 enters the inside of the end cover 74 from above the end cover 74.
  • the lower end of the feed pipe 76 opens toward one end of the rotary cylinder 6.
  • a rotary valve 78 is connected to an upper end of the feed pipe 76, and the rotary valve 78 has an inlet hopper 79.
  • the inlet hopper 79 is disposed immediately below the end of the conveyor 2.
  • the rotary valve 78 has a rotor (not shown), and a plurality of pockets are formed on the outer peripheral surface of the rotor at equal intervals in the circumferential direction.
  • Each pocket receives the raw material sent from the conveyor 2 through the inlet hopper 7.9 with the rotation of the pocket b, and transfers the received raw material to the feed pipe 76. Thereafter, when the pocket receiving the raw material matches the upper end of the feed pipe 76, the raw material is supplied from the pocket through the feed pipe 76 into the rotary cylinder 6.
  • stirring blades 8 0 As shown in FIG. 3, a large number of stirring blades 8 0 is attached. These stirring blades 80 extend in the axial direction of the rotary cylinder 6 and are arranged at equal intervals in the circumferential direction of the rotary cylinder 6. The tip of each stirring blade 80 is bent in the direction of rotation of the rotary cylinder 6 (see arrow).
  • the raw material in the rotary cylinder 6 is brought up by the stirring blade 80, and is thereby stirred.
  • the raw material is transferred toward the other end of the rotary cylinder 6 according to the inclination of the rotary cylinder 6.
  • the outlet 8 of the rotary cylinder 6 has a hollow cone-shaped end cover 82 similar to the end cover 74 of the inlet 4. Therefore, the large-diameter end of the end cover 82 is air-tightly connected to the other end of the rotary cylinder 6 while allowing the rotation of the rotary cylinder 6, and is connected to the small-diameter end of the end cover 82.
  • the downstream part of the circulation line 12 is connected.
  • An outlet hopper 84 is connected to a lower portion of the end force par 82, and a one-way valve 86 is connected to a lower end of the outlet hopper 84.
  • the rotary valve 86 has the same structure as the rotary valve 78 described above, and has a discharge pipe 87 protruding toward the start end of the discharge conveyor 10.
  • the raw material in the rotary cylinder 6 When the raw material in the rotary cylinder 6 reaches the other end of the rotary cylinder 6, the raw material is supplied to an outlet hopper 84. Then, with the rotation of the rotary valve 86, the raw material in the outlet hopper 8.4 is taken out through the rotary valve 86, and is discharged from the discharge pipe 87 onto the discharge conveyor 10.
  • the inlet 4 and the outlet 8 are provided with rotary pulp 78 and 86, respectively, the cylinder chamber in the rotary cylinder 6 is maintained in a sealed state. Therefore, it is possible to continuously supply and discharge the raw material to and from the rotating cylinder 6 in a state where the infiltration air from the inside of the rotating cylinder 6 is prevented from leaking. As a result, the humidity control processing of the raw material described later is continuously performed. Done.
  • An inner air supply pipe 9 2 is concentrically arranged in a portion of the circulation pipe 12 located at one end side of the rotary cylinder 6, and the inner air supply pipe 9 2 is provided from the insertion portion 8 8 of the circulation pipe 12. Projecting.
  • the inner air supply pipe 92 extends on the axis of the rotary cylinder 6 to a central position of the rotary cylinder 6, and has an intermediate air supply port 94 at the end thereof. Therefore, wet air is also blown into the rotary cylinder 6 from the intermediate air supply port 94 of the inner air supply pipe 92.
  • the inner air supply pipe 92 has an annular air supply port 90 for the inlet portion 88, and a flow straightening plate 96 is attached to the annular air supply port 90 as shown in FIG. .
  • a flow straightening plate 98 is also attached to the intermediate air supply port 94 of the inner air supply pipe 92 as shown in FIG.
  • These rectifying plates 96 and 98 rectify the humid air flow blown out from the air supply port 90 and the intermediate air supply port 94, and as a result, the inside of the rotary cylinder 6 is indicated by the arrow in FIG. As shown, a moist airflow is generated that flows along the axial direction of the rotary cylinder 6.
  • a pair of drive rollers 102 are arranged in a rolling contact state outside the rotary cylinder 6 as shown by a two-dot chain line in FIG. 3, and the rotation of the drive rollers 102 causes the rotary cylinder 102 to rotate. 6 is rotated in one direction.
  • a wet air flow is blown from both the air supply port 90 and the intermediate air supply port 94 into the rotary cylinder 6, and this wet air flow is in the axial direction of the rotary cylinder 6, that is, in the same direction as the material transfer direction. It flows forward and is discharged to the downstream side of the circulation line 12. In this state, when the raw material is supplied into the rotary cylinder 6 through the inlet 4, the raw material is transferred toward the outlet 8 while being stirred by the stirring blade 80 as the rotary cylinder 6 rotates.
  • the raw material comes into contact with the humid air flow in the rotary cylinder 6, and absorbs moisture from the humid air flow.
  • the humid air stream Since the relative humidity of the humid air stream is set in the range described above, the humid air stream does not contain fine water droplets. Therefore, no water droplets adhere to the surface of the raw material. Ma
  • the humid air flow flows in the direction in which the raw material is transferred, and the raw material is agitated, the raw material is substantially exposed to the humid air on the entire surface of the raw material during the raw material transfer process. As a result, the raw material can uniformly absorb the moisture in the humid air from the entire surface. When a raw material absorbs moisture, it generates heat of adsorption, which raises the temperature of the raw material. Therefore, the moisture and temperature of the raw material are uniformly adjusted to the inside. Thereafter, the raw material is discharged from the outlet 8 of the rotary cylinder 6.
  • Figures 5 and 6 show the measurement results for the average crushing ratio and the average volume density of the conditioned raw materials.
  • A shows the measurement results of the raw material conditioned by the method of the above-described embodiment
  • B and C show the measurement results of the raw material conditioned by another method, respectively.
  • Bright tobacco leaves and parlay tobacco leaves were used as raw materials, and the moisture content of the raw materials before moisture conditioning was about 11%.
  • the average crushing ratio indicates the ratio of the crushed pieces of the raw material contained in the raw material after the humidity control, and the crushed pieces indicate those whose vertical and horizontal sizes are smaller than 6.7 strokes.
  • the amount of the raw material supplied and the rotation of the rotary cylinder 6 are set so that the amount of the raw material retained in the rotary cylinder 6 and the residence time are 2 lkgDM (dry weight) and 3 min, respectively.
  • the speed was controlled individually.
  • the rotation speed of the rotary cylinder 6 was 10 rpm.
  • the size of the rotary cylinder 6 is 1.8 m in inner diameter and 1 m in length.
  • the humidity control method B of the comparative example differs from the humidity control method A only in the residence time of the raw material in the rotary cylinder 6. That is, in the humidity control method, the supply amount of the raw material and the rotation speed of the rotary cylinder 6 were controlled so that the residence time of the raw material was 15 min.
  • the humidity control method C of the comparative example water was directly sprayed from the spray nozzle onto the raw material in the rotary cylinder 6 while supplying the humid air flow into the rotary cylinder 6.
  • the residence time of the raw material in the rotating cylinder 6 is 3 min, which is the same as in the case of the humidity control method A.
  • the amount of water supplied to the raw material is the same as in the case of the humidity control method B.
  • the average crushing ratio of the raw materials was lower in the humidity control method A of the example than in the humidity control methods B and C of the comparative examples, regardless of the type of the raw material, either the bright type or the barre type.
  • raw material loss can be reduced. This means that the humidity control of the raw material by the humidity control method A is more uniform than in the humidity control methods B and C.
  • the measurement results in FIG. 6 indicate that the humidity control of the raw material by the humidity control method A is uniformly performed to the inside of the raw material. That is, the average volume density of the raw material in the humidity control method A is almost the same as that in the humidity control method B, but is lower than that in the humidity control method C. This indicates that, according to the humidity control method A, compared to the humidity control method C, the raw material after humidity control absorbs moisture evenly to the inside, and is soft. As a result, the raw material conditioned by the humidity control method A of the embodiment has excellent permeation of the fragrance, and the subsequent flavoring treatment can be effectively performed.
  • the raw material since the raw material does not receive water droplets, the components of the raw material do not elute into the water droplets. Specifically, when the raw material is a tobacco raw material, the tobacco raw material's original fragrance does not elute into the water droplets. it can.
  • the rotary cylinder 6 has an air supply port 90 and an intermediate air supply port 94 therein, and the air supply port 90 and the intermediate air supply port 94 rotate. Since the cylinder 6 is spaced apart in the axial direction of the cylinder 6, a uniform flow of moist air can be easily generated in the rotary cylinder 6.
  • FIG. 7 shows a rotary cylinder 6 of the split type.
  • the rotary cylinder 6 has an upstream cylinder portion 104 and a downstream cylinder portion 106, and the cylinder portions 104 and 106 are rotated in synchronization with each other.
  • the downstream cylinder portion 106 has a larger diameter than the upstream cylinder portion 104, and a fixed ring cover 108 is provided between the upstream and downstream cylinder portions 104, 106. Covered.
  • seals are provided between the ring cover 108 and the upstream cylinder portion 104, and between the ring cover 108 and the downstream cylinder portion 106, respectively. Rings 110, 112 are arranged. Therefore, the ring cover 108 and the outer peripheral surfaces of the upstream and downstream cylinders 104, 106 cooperate with each other to define the chamber 114.
  • a connecting pipe 1 16 extends from the chamber 1 1 4 and is connected to an upstream portion of the circulation pipe 12.
  • an annular intermediate air supply port 116 is formed between the upstream cylinder part 104 and the downstream cylinder part 106, and the intermediate air supply port 111 is formed.
  • Numeral 6 communicates the chamber 114 with the inside of the downstream cylinder portion 106 mutually.
  • a ring-shaped current plate 1 18 is also attached to the intermediate air supply port 1 16.
  • the moist air flow is blown into the rotary cylinder 6 from both the air supply port 90 and the intermediate air supply port 116, and the rotary cylinder 6 has an outlet 4 and an outlet.
  • a humid air flow towards 8 is likewise generated.
  • the air inlet 90 blows out a humid air flow toward the center of the upstream cylinder portion 104, and the intermediate air inlet 116 extends along the outer periphery of the downstream cylinder portion 106. Blow out a stream of moist air.
  • the moist air flow uniformly flows in the cross-sectional area of the rotary cylinder 6, and the effect of controlling the humidity of the raw material is further improved.
  • the upstream and downstream cylinder portions 104 and 106 may overlap each other, or the air inlet of the rotary cylinder 6 Is not limited to two, but may be three or more.
  • the flow direction of the humid air is not limited to the forward direction with respect to the transfer direction of the raw material, but may be the reverse direction with respect to the transfer direction.
  • the rotating cylinder 6 is supplied with a humid air flow adjusted to a predetermined temperature and a predetermined relative humidity, but the controller 72 adjusts the moisture content of the raw material after the humidity adjustment to a target value.
  • the temperature, relative humidity and flow rate of the humid air stream can be controlled.
  • the controller 7 2 the supply amount of the raw material, based on the above-mentioned inlet temperature T inlet humidity and inlet flow velocity V had an outlet temperature T 3 of the moist air flow, outlet humidity Eta 3 and out. Neck velocity V 3, etc. Calculate the moisture content of the raw material after humidity control, and feed back the inlet temperature T P inlet humidity and inlet flow velocity V of the humid air flow supplied to the rotary cylinder 6 so that the calculated moisture content becomes the target value. Control.
  • the humidity control method and apparatus of the present invention can be applied to the humidity control of food materials other than tobacco materials.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

La présente invention concerne une machine de régulation de l'humidité permettant de mettre en oeuvre un procédé de régulation de l'humidité de tabac brut. Cette machine comprend un cylindre rotatif creux (6) disposant d'une entrée (4) et d'une sortie (8) pour le tabac brut, et un introducteur alimentant un courant d'air humide dans le cylindre rotatif (6) de façon que le courant d'air humide circule de l'entrée (4) à la sortie (8) dans le cylindre relatif (6). Le courant d'air introduit dans le cylindre rotatif se trouve dans une plage de températures de 40 °C à 80 °C, l'hygrométrie étant comprise entre 80 % et 95 %.
PCT/JP2003/003019 2002-03-14 2003-03-13 Procede de regulation de l'humidite de matiere brute et machine a cet effet WO2003075689A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002478717A CA2478717C (fr) 2002-03-14 2003-03-13 Procede de regulation de l'humidite de matiere brute et machine a cet effet
EP03712687.7A EP1486130B1 (fr) 2002-03-14 2003-03-13 Procede de regulation de l'humidite de matiere brute et machine a cet effet
JP2003573973A JP3925931B2 (ja) 2002-03-14 2003-03-13 原料の調湿方法及び調湿機
AU2003220891A AU2003220891A1 (en) 2002-03-14 2003-03-13 Raw material moisture control method and moisture control machine
US10/923,032 US6931758B2 (en) 2002-03-14 2004-08-23 Method of controlling moisture of material and apparatus therefore

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002069856 2002-03-14
JP2002-069856 2002-03-14

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US10/923,032 Continuation US6931758B2 (en) 2002-03-14 2004-08-23 Method of controlling moisture of material and apparatus therefore

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Publication Number Publication Date
WO2003075689A1 true WO2003075689A1 (fr) 2003-09-18

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PCT/JP2003/003019 WO2003075689A1 (fr) 2002-03-14 2003-03-13 Procede de regulation de l'humidite de matiere brute et machine a cet effet

Country Status (8)

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US (1) US6931758B2 (fr)
EP (1) EP1486130B1 (fr)
JP (1) JP3925931B2 (fr)
CN (1) CN1305418C (fr)
AU (1) AU2003220891A1 (fr)
CA (1) CA2478717C (fr)
RU (1) RU2283604C2 (fr)
WO (1) WO2003075689A1 (fr)

Cited By (1)

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CN108378406A (zh) * 2018-04-11 2018-08-10 红塔烟草(集团)有限责任公司 烟片复烤机回潮区温湿度控制方法及其系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100569121C (zh) * 2007-03-28 2009-12-16 云南昆船设计研究院 穿流式滚筒热风润叶方法及其装置
DE102009028913A1 (de) * 2009-08-26 2011-03-31 Jt International S.A. Vorrichtung und Verfahren zum Behandeln von Tabak
CN101810366B (zh) * 2010-04-30 2012-06-06 广东中烟工业有限责任公司 一种新型烟丝烘干设备
JP5548819B2 (ja) * 2011-04-28 2014-07-16 日本たばこ産業株式会社 たばこ原料処理装置
CN102726818B (zh) * 2012-06-08 2014-04-16 安徽中烟机械有限公司 一种烟叶竖式配方的润叶方法
BR102012026521A2 (pt) 2012-10-16 2014-09-30 Souza Cruz Sa Processo de tratamento de tabaco para o desenvolvimento de propriedades organolepticamente diferenciadas, seu uso e produto de fumar
GB2513609A (en) * 2013-05-01 2014-11-05 Dickinson Legg Ltd Drying apparatus
AT514275B1 (de) * 2013-05-07 2015-05-15 Andritz Tech & Asset Man Gmbh Verfahren zur Erzeugung von Salzen mit reduziertem Kristallwassergehalt
CN103504457A (zh) * 2013-09-23 2014-01-15 贵州省烟草科学研究院 一种恒温加压回潮机
DE102013221663A1 (de) * 2013-10-24 2015-04-30 Hauni Maschinenbau Ag Einrichtung und Verfahren zum Lösen von Tabakgut in einer Anlage der Tabak verarbeitenden Industrie
CN106659312B (zh) * 2014-07-11 2019-02-01 株式会社日冷食品 食品加热装置
CN104770851A (zh) * 2015-03-16 2015-07-15 红云红河烟草(集团)有限责任公司 一种烟丝加香滚筒内部的导流装置
CN106440665B (zh) * 2016-11-01 2022-03-22 中冶焦耐(大连)工程技术有限公司 一种粉料悬浮干燥与助燃装置及工艺
CN106418641B (zh) * 2016-11-25 2018-10-02 天津大学 一种均热式智能烟叶烘烤装置
CN106583005B (zh) * 2017-02-22 2019-09-03 江苏天鹏机电制造有限公司 碎石机制砂生产线
JP2022535832A (ja) * 2019-06-05 2022-08-10 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 傾斜ベーンを有する草本材料用乾燥機
KR102525022B1 (ko) * 2020-07-14 2023-04-24 주식회사 케이티앤지 흡연물품용 니코틴 함유물질 및 이를 포함하는 비연소형 흡연물품과 흡연물품용 카트리지
CN112856971A (zh) * 2021-01-25 2021-05-28 太原科技大学 煤泥烘干机变频调速控制系统及控制方法
CN113208143A (zh) * 2021-05-31 2021-08-06 云南中烟工业有限责任公司 一种热风两段式轴向加热的薄板烘丝机及其操作方法
CN113796554B (zh) * 2021-09-22 2022-10-25 山东中烟工业有限责任公司 一种回潮机加水系统总成及其工作方法
CN114343219A (zh) * 2022-01-14 2022-04-15 红云红河烟草(集团)有限责任公司 一种雪茄烟叶快速回潮装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07177870A (ja) * 1993-12-24 1995-07-18 Japan Tobacco Inc 膨化刻みたばこの調湿方法
JPH07289226A (ja) * 1994-04-20 1995-11-07 Sanshu Sangyo Kk 葉たばこの調湿方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE84458C (fr) *
NL283185A (fr) *
DE102355C (fr) *
FR674482A (fr) * 1929-05-02 1930-01-29 Fond Sa Des Séchoir de charbon ou autres matières pouvant également être utilisé comme broyeur auto-sécheur
DE1532063A1 (de) * 1965-07-06 1970-01-08 Hauni Werke Koerber & Co Kg Verfahren und Anlage zum Verballen von Gruenballen
US3906961A (en) * 1972-02-17 1975-09-23 Imasco Ltd Rotary tobacco dryer
US3905123A (en) * 1973-10-15 1975-09-16 Industrial Nucleonics Corp Method and apparatus for controlling a tobacco dryer
US4102349A (en) * 1976-07-15 1978-07-25 Brown & Williamson Tobacco Corporation Method and apparatus for moisturizing tobacco stems
US4528995A (en) * 1983-10-13 1985-07-16 Brown & Williamson Tobacco Corporation Sealed pneumatic tobacco conveying and treating apparatus
GB8803380D0 (en) * 1988-02-13 1988-03-16 Gbe International Plc Rotary drier control by adjustment of air flow/air humidity
US5103842A (en) * 1990-08-14 1992-04-14 Philip Morris Incorporated Conditioning cylinder with flights, backmixing baffles, conditioning nozzles and air recirculation
CH686229A5 (de) * 1992-07-30 1996-02-15 Buehler Ag Geb Verfahren und Vorrichtung zum kontinuierlichen Netzen von Getreide sowie Verwendung der Netzvorrichtung.
TW296974B (fr) 1992-10-30 1997-02-01 Philip Morris Prod
JPH0877870A (ja) * 1994-09-01 1996-03-22 Matsushita Electric Ind Co Ltd 押釦スイッチおよびその押釦スイッチを用いたプリント基板組立
US5964225A (en) * 1997-08-29 1999-10-12 Philip Morris Incorporated Tobacco treatment cylinder and method
DE19751525C2 (de) * 1997-11-20 2003-02-13 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Regelung der Ausgangsfeuchte von Tabak
US6286515B1 (en) 2000-02-17 2001-09-11 Philip Morris Incorporated Humidification cylinder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07177870A (ja) * 1993-12-24 1995-07-18 Japan Tobacco Inc 膨化刻みたばこの調湿方法
JPH07289226A (ja) * 1994-04-20 1995-11-07 Sanshu Sangyo Kk 葉たばこの調湿方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108378406A (zh) * 2018-04-11 2018-08-10 红塔烟草(集团)有限责任公司 烟片复烤机回潮区温湿度控制方法及其系统
CN108378406B (zh) * 2018-04-11 2021-02-19 红塔烟草(集团)有限责任公司 烟片复烤机回潮区温湿度控制方法及其系统

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JPWO2003075689A1 (ja) 2005-06-30
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US6931758B2 (en) 2005-08-23
RU2283604C2 (ru) 2006-09-20
RU2004130462A (ru) 2005-04-10
CN1642446A (zh) 2005-07-20
CN1305418C (zh) 2007-03-21
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JP3925931B2 (ja) 2007-06-06
CA2478717A1 (fr) 2003-09-18

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